Added HHVM and Scrutinizer config to the Travis config.

Author: guillermo.fisher

.travis.yml

@@ -1,5 +1,22 @@
 language: php
+
 php:
+  - 5.4
   - 5.5
+  - 5.6
+  - hhvm
+
+sudo: false
+
+matrix:
+  fast_finish: true
+
 install:
-  - composer install --no-interaction --prefer-source
+  - composer install --no-interaction --prefer-source
+
+script:
+  - ./vendor/bin/phing build
+
+after_script:
+  - wget https://scrutinizer-ci.com/ocular.phar
+  - php ocular.phar code-coverage:upload --format=php-clover coverage.clover